char* replaceSpace(char* s) {
	char* copy = (char*)calloc(3 * strlen(s) + 1, sizeof(char));
	char* startC = copy;
	while (*s)
	{
		if (*s != ' ')
		{
			*copy++ = *s++;
		}
		else
		{
			*copy++ = '%';
			*copy++ = '2';
			*copy++ = '0';
			s++;
		}
	}
	return startC;
}